YT

Yi Li Tsai

Overall (All Time): #1,232,922 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8177452 Nail polish container — 2012-05-15
8033746 Electrically-driven power cosmetics application device — 2011-10-11
6793431 Squeezing device for a cosmetic container — 2004-09-21
6231255 Lipstick housing having increased strength — 2001-05-15